Oreochromis ismailiaensis

Oreochromis ismailiaensis Mekkawy 1995

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Oreochromis ismailiaensis
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drawing shows typical fish in this Family.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Cichliformes (Cichlids, convict blennies) 鱸形目 (Cichlids, convict blennies) > Cichlidae (Cichlids) 慈鯛科魚類 (Cichlids) > Pseudocrenilabrinae
Etymology: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335);  ismailiaensis: Named on geographical basis since it was collected from Ismailia city in the north of Egypt (Ref. 47363).

Environment: milieu / climate zone / depth range / distribution range 生態學

; 半鹹淡水 底中水層性.   溫帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Africa: Ismailia Canal, Egypt (Ref. 47363).
非洲: 埃及。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 19.1 cm TL 雄魚/尚未辨別雌雄; (Ref. 47363)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 15 - 17; 背的軟條 (總數): 11-14; 臀棘 3; 臀鰭軟條: 8 - 11; 脊椎骨: 27 - 32. Head with straight profile; mouth terminal, oblique, moderately large; maxillary extending to below the anterior border of the orbit (Ref. 47363). Ventral fin reaching the vent; the pectoral fin reaching beyond the origin of anal fin; caudal fin truncate, more or less oblique in some cases; the last dorsal soft fin ray extending to the dorsal origin of caudal fin (Ref. 47363). Caudal peduncle as long as deep or a little deeper than long; ventral outline straight or slightly rounded (Ref. 47363). Scales not denticulate; two lateral lines present; the majority of scales of the dorsal one pored (Ref.47363). General body colour pale grey-silver, darker below the dorsal fin and on the dorsal side of the head; belly being usually white; 8 black vertical bars on the body, the first one partly developed; a black dorsal opercular spot present (Ref. 47363). Dorsal fin with oblique black striations on their posterior soft rays, no tilapia mark on the dorsal fin; caudal fin dark red without vertical stripes; a black pyramid present, its base at the caudal fin base, its top extending to fin margin; anal fin reddish with a black anterior base (Ref. 47363). Eye with black iris, with a red circle around the pupil (Ref. 47363).

生物學特性     字彙 (例如 epibenthic)


Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

非洲: 埃及。

主要參考資料 Upload your references | 參考文獻 | 合作者 : Kullander, Sven O. | 合作者

Mekkawy, I.A.A., 1995. Description of Oreochromis ismailiaensis sp. N., and its hybrid with Oreochromis niloticus (Linnaeus, 1758) (Perciformes; Cichlidae) from Egypt. Bull. Fac. Sci., Assiut Univ., 24(2-E):1-27. (Ref. 47363)

IUCN 瀕危狀態 (Ref. 123251)

  資料不足 (DD) ; Date assessed: 17 October 2007

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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  無害處的





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00747 - 0.04041), b=3.03 (2.84 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (22 of 100) .